Home / 12,254.60-18,333.30-10,629.20

Finding the Fourth Proportional to 12,254.60, 18,333.30 and 10,629.20

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Solution

The fourth proportional to 12,254.60, 18,333.30 and 10,629.20 is: 15,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.60 : 18,333.30 = 10,629.20 : x
  2. Step 2: Convert to fraction form
    12,254.60/18,333.30 = 10,629.20/x
  3. Step 3: Cross multiply
    12,254.60x = 18,333.30 × 10,629.20
  4. Step 4: Simplify right side
    12,254.60x = 194,868,312.36
  5. Step 5: Solve for x
    x = 194,868,312.36/12,254.60
  6. Step 6: Final answer
    x = 15,901.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.